this disaster. >> reporter: the ntsb says they'll be looking at a variety of factors in the gas line failure including the age of the pipe and the last time it was serviced. carl, back to you. >> miguel, thanks for that. joining us this morning from san bruno, lieutenant governor and the fire chief. good morning to you both. before we get to the actual potential cause of the explosion, i just want to talk about the neighborhood. we know the red cross has been on the scene helping neighbors. what is the community -- how is the community doing and what are they in need of the most right now? >> well, obviously everybody came together and we responded to the explosion. now we've got the red cross, we have an incident command center, we have a community center, and everybody's coming together, blood, donations, food. everybody just came together, carl. and that's what we're in the process of now. >> have you been able to determine at all what might have caused this gas line to exmode?